66857979

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 97884160

約数和(自身を除く): 31026181

約数列:

[1, 3, 19, 31, 57, 93, 157, 241, 471, 589, 723, 1767, 2983, 4579, 4867, 7471, 8949, 13737, 14601, 22413, 37837, 92473, 113511, 141949, 277419, 425847, 718903, 1172947, 2156709, 3518841, 22285993, 66857979]

約数ペア:

[(1, 66857979), (3, 22285993), (19, 3518841), (31, 2156709), (57, 1172947), (93, 718903), (157, 425847), (241, 277419), (471, 141949), (589, 113511), (723, 92473), (1767, 37837), (2983, 22413), (4579, 14601), (4867, 13737), (7471, 8949)]